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Global land-use change hidden behind nickel consumption.
Kenichi Nakajima1, Keisuke Nansai1, Kazuyo Matsubae2
1Center for Material Cycles and Waste Management Research, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki, 305-8506, Japan.
The Science of the Total Environment
|February 28, 2017
Summary
Global nickel mining drives significant land-use change, with consumption in countries like Japan impacting distant regions. This study quantifies nickel
Area of Science:
- Environmental science
- Economics
- Supply chain analysis
Background:
- Economic growth increases natural resource use, leading to environmental impacts.
- Global supply chains obscure the environmental consequences of consumption.
- Understanding resource consumption impacts is crucial for environmental management.
Purpose of the Study:
- To quantify global land-use change linked to nickel mining.
- To identify consumption-driven land-use impacts through global supply chains.
- To analyze the geographical distribution of nickel mining's environmental footprint.
Main Methods:
- Utilized a global link input-output (GLIO) model.
- Linked national nickel consumption to global land-use changes.
- Focused on nickel as a case study due to rising demand.
Main Results:
- Nickel mining caused 1.9 km² of global land-use change in 2005.
- Japanese nickel demand induced 0.38 km² of land-use change.
- Land-use impacts were concentrated in a few countries: Australia, Russia, Indonesia, New Caledonia, and Colombia.
Conclusions:
- Nickel mining's environmental footprint is geographically concentrated.
- Consumer nations significantly influence land use in producer regions.
- Global input-output models are effective for tracing consumption-based environmental impacts.
Keywords:
Global supply chainInput-output analysisLand-use changeMaterial flow analysis (MFA)MiningNickelMore Related Videos
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